Gentian Violet, C.I. 42555

1. Identification

Product Identifiers

Product Name

Gentian Violet, C.I. 42555

Other Names

Crystal violet; C.I. 45255, BasicViolet 3. Methyl violet 10B

Product Number(s)

C095, C0951, C0955

CAS Number

548-62-9

Recommended use of the chemical and restriction on use

Company Details

Emergency Contact Details

2. Hazards Identification

Classification of the substance or mixture

Label Elements

Signal Words

Warning

Hazard Statement(s)

• H302: Harmful if swallowed.
• H318: Causes serious eye damage.
• H351: Suspected of causing cancer.
• H410: Very Toxic to aquatic life with long lasting effects.

Precautionary Statement(s)

• P201: obtain special instructions before use.
• P202: Do not handle until all safety precautions have been read and understood.
• P264: wash skin thoroughly after handling.
• P270: Do not drink, eat, smoke, when using this product.
• P273: Avoid release into environment.
• P405: Store locked up.
• P391: Collect Spillage.
• P280: Wear protective gloves/eye & face protection.
• P281: Use PPE as required.
• P301 ± P312 ± P330:If Swallowed: Call Poison Center or doctor/physician if you feel unwell. Rinse mouth.
• P305 ± P351 ± P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue Rinsing.
• P308 ±P313: If exposed or concerned: contact doctor/physician.
• P501: Dispose of contents/container to an approved waste disposal plant.

Primary route(s) of entry

Human Health

Inhalation

Harmful by inhalation.

Ingestion

Harmful if swallowed.

Eyes

Risk of serious damage to eyes.

Skin

Harmful in contact with skin.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

Do not induce vomiting without medical advice. Rinse with water. Consult physician.

Inhalation

Move to fresh air. Consult a physician.

Skin Contact

Rinse with plenty of soap & water and seek medical advice.

Eye Contact

Rinse immediately with plenty of water and seek medical advice.

Other Information

Treat symptomatically and supportively.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

Use water spray, dry chemical, alcohol-resistant foam, or carbon dioxide.

HAZCHEM

Not available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Use proper PPE as indicated in Section 8.

Environmental precautions

Not available.

Methods and materials for containment and clean up

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

7. Handling and Storage

Precautions for safe handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Conditions for safe storage

Store in a tightly closed container cool, dry, well ventilated area away from incompatibles.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

Not available.

Personal protective equipment

Eye and face protection

Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.

Skin protection

Wear protective gloves to prevent skin exposure. 0.11mm thick nitrile.

Body protection

Wear appropriate protective clothing to prevent skin exposure.

Respiratory protection

Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use NIOSH or European Standard EN 149 approved respirators when necessary.

9. Physical and Chemical Properties

General information

Appearance

Light-dark blue solid

Odour

Not available.

pH

2.5-3.5 at 10g/l at 20°C(68°F)

Vapour Pressure

Not available.

Density

1.190g/cm3 at 20°C(68°F)

Boiling Point

Not applicable

Melting Point

173°C(343°F)

Solubility

50g/l at 27°C (81°F)

Specific Gravity of Density

Not available.

Flash Point

Not available.

Flammable (Explosive) Limits

Not available.

Ignition Temperature

>190°C(374°F)

Formula

C15H15N3.HCl

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

Stable under normal temp. and pressure. Stable under ordinary conditions of use and storage.

Possibility of hazardous reactions

No further relevant information available.

Conditions to avoid

Incompatible materials, light.

Incompatible materials

Strong oxidising agents, strong acids.

11. Toxicological Information

Acute effects

No further relevant information available.

Eye contact

No further relevant information available.

Skin contact

No further relevant information available.

Ingestion

No further relevant information available.

Inhalation

No further relevant information available.

Toxicity and irritation

• LD50/LC50: Oral, mouse: LD50=96mg/kg;
• oral, rabbit: LD50=150 mg/kg;
• LD50 Intraperitoneal: Rat,8.9mg/kg: Mouse,5.1mg/kg: Rabbit,5mg/kg: Intraduodenal Rabbit, 160 mg/kg

12. Ecological Information

Ecotoxicity

EC50 - Water flea-0.35mg/l-48h : Algae -0.42mg/l-72h

Persistence and degradability

Ratio: BOD/ThBOD 0.12%

Bioaccumulative potential

10% not readily biodegradable

Other adverse effects

Very toxic to aquatic life with long-lasting effects.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

Not available.

UN Number

UN307

Proper shipping name

C.I. Basic Violet 3

Transport hazard class

9

Packing group

III

Environmental hazard

Environmentally hazardous substance, solid

Special precautions for users

Not regulated.

Additional information

No information available.

15. Regulatory Information

Poisons Schedule Number

None allocated.

Other Information

No further relevant information available.

16. Other Information

SDS preparation date

23 February 2026

Comments

This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.